Synthesis and characterisation of electrical conducting polymers co polymers based on omega functionalised 3 alkylthiophenes 5

... achieved a conductivity of 3. 3 S/cm In conclusion, graft copolymers of polythiophene and two commodity polymers, polystyrene and PMMA were formed Through trial and error the most conducting systems ... graft copolymers’ conductivity These points will be further discussed in the next section 3) The graft copolymers of polythiophene and commodity PMMA were synthesised based...

Ngày tải lên: 16/09/2015, 17:11

... 4. 04- 4.11 (1H, m), 5.08-5. 24 (2H, dd, J 24, 9) 5. 83 (1H, m), 6. 93 (2H, m) and 7. 23 (1H, m) 13 C NMR of 11-Thiophen -3- yl-undec-1-en -3- ol 1 43 . 2; 141 .3; 128.2; 1 24. 9; 119.7; 1 14. 5; 73. 2; 37 .0; 30 .5; ... 4. 7 Table 4. 7 Summary of the peaks of the copolymers 7, 9, 10, 11 Co -polymers peaks 10 11 8o, 20o, 27o, 36 o 15o, 23. 5o, 27o, 33 .5o, 36 o, 39 o,...

Ngày tải lên: 16/09/2015, 17:11

... 5. 73( d, 1H, J=11Hz); 6. 73( dd, 1H, J=11Hz, J=6Hz); 6. 93- 7 .37 (m, 7H) 13 C-NMR (CDCl3, ppm): 1 43. 0; 142.5; 136 .7; 136 .6; 135 .0; 131 .3; 130 .2; 128.2; 126.2; 125.0; 119.7; 1 13. 1; 112.7; 37 .3; 37 .1; 35 .6; ... Fig 3. 12 C 1s core level of XPS spectrum of copolymer The deconvoluted C 1s core level data for copolymers and Graft 100 showed similar environments to that of...

Ngày tải lên: 16/09/2015, 17:11

... 73 90 138 95 92 12 ,30 0 19,900 25 ,20 0 22 ,000 29 ,400 23 , 100 23 , 400 22 ,600 1.8 2. 0 1.8 2. 0 1.7 2. 7 1.9 2. 0 I2 doped (Scm-1) 4.7 7.9 10.4 8.4 7.5 9 .3 8 .2 7.9 HT dyads HH dyads % % 68 73 87 62 60 71 ... (30 0MHz, CDCl3/TMS): =7 .24 -7 .26 (m, 1H), 7.07-7.11 (m, 2H), 6. 92- 6.96 (m, 2H), 6.81-6.84 (m, 2H), 3. 92 -3. 96 (t, 2H), 3. 62 -3. 67 (t, 2H), 2 .30 (s, 3...

Ngày tải lên: 16/09/2015, 17:11

... Graft copolymers of polythiophene and PMMA Introduction 13 1 Experiment 2 .1 Monomer synthesis 13 3 2.2 Copolymer syntheses 13 8 Result and Discussion 3. 1 Monomer synthesis and characterisation 14 0 3. 2 ... spectrum of 11 -thiophen -3- yl-undec -1- en -3- one (5) C NMR spectrum of 11 -thiophen -3- yl-undec -1- en -3- one (5) X Fig 4 .10 C1s core level of XPS spec...

Ngày tải lên: 16/09/2015, 17:13

... Journal of Science, Mathematics - Physics 25 (2009) 221-230 In this paper, we report on synthesis and characterization of gold NPs as well as CoPt and FePt NPs Experimental Synthesis of gold ... under a mixture of % H2 and 95 % Ar atmosphere The increasing rate of temperature was 6°C/min and cooling with the furnace The sonoelectrodeposition method has been used for syn...

Ngày tải lên: 28/03/2014, 13:20

... concentration of sodium to the surface, where it then carbonates A selection of typical powder X-ray diffraction patterns of the starting materials and polymers of different compositions is shown ... carbonate by atmospheric carbonation Polymer compositions which not cure satisfactorily show FTIR evidence of carbonation, by contrast with optimum curing compositions The water con...

Ngày tải lên: 30/05/2014, 12:08

... Page of Figure XRD powder patterns of SA and Asp surface-coated TiO2 nanoparticles The patterns show formation of 5-nm anatase phase Figure TEM images of (a) SA-coated and (b) Asp-coated TiO2 ... 12:1018 doi:10.1186/1556-276X-6-423 Cite this article as: Cheyne et al.: Synthesis and characterisation of biologically compatible TiO2 nanoparticles Nanoscale Research...

Ngày tải lên: 21/06/2014, 03:20

... Mechanochemical Synthesis and Characterisation 76 Bismuth oxide, Bi2O3, is recognized as a good oxide ion conductor due to its crystal structure (fluorite type) and its high ratio of oxygen vacancies ... properties Preparation via a traditional solid-state reaction usually requires high temperatures and long firing cycles leading to the inevitable coarsening of particles a...

Ngày tải lên: 07/08/2014, 14:20

... rigid core exert hindrance to self- assembly whereas the pyrimidine groups stabilized the self- assembly of jacketed polymers A series of novel jacketed liquid crystalline polymers, in which the terphenyl ... expected to help the self- assembly of the polymers The length of the alkyl chain and position of the alkyl chain on the mesogenic units appears to have s...

Ngày tải lên: 16/09/2015, 17:11

... of polymers 3a, 3b and 3c were measured in chloroform solution The absorption and emission spectra of the polymers are shown in Fig .5. 3 and the values as given in Table 5. 2 The UV spectrum of ... = 5. 2Hz, CCH(O)-, H), 4 .5 (d, J = 5. 5 Hz, O-CH2-, H), 2.7 (s, -OH, H) 13 CNMR ( 75. 4 MHz, CDCl3, δ ppm) 154 .2, 137.2, 134.7, 127.7, 126.7, 126.0, 1 25. 7, 1 25. 5, 121.0,...

Ngày tải lên: 16/09/2015, 17:11

... CDCl3, δ ppm): 171, 149 .80, 149 .45 , 141 .17, 137.08, 136.62, 135.76, 1 34. 62, 1 34. 49, 133.79, 130.59, 129.33, 128.88, 126.63, 1 24. 90, 1 24. 07, 123 .45 , 113.72, 77.33, 76.91, 76 .48 , 69.11, 31.79, 30.79, ... 2θ1/° 2θ2/° 2θ3/° 2 4/ ° 2θ5/° d1(Å) d2(Å) d3(Å) d4(Å) d5(Å) 2 .46 2.86 P1(DBSA)0.5 3.02 20.1 P1 4. 91 7 .42 19.8 35.9 30.6 29 .4 17.9 11.9 4. 5 4. 4 The XRD diffraction pat...

Ngày tải lên: 16/09/2015, 17:11

... 4H), 3. 86 (s, Ar-O-CH3, 3H), 3. 78 (s, Ar-O-CH3, 3H), 3. 77 (s, Ar-O-CH3, 3H), 2.20 (b, -C-OH, 1H) 13 C NMR (75.4 MHz, CDCl3, δ ppm) 158.7, 151.2, 149.4, 131 .4, 130 .4, 129.7, 129 .3, 114.6, 1 13. 5, ... 150.4, 130 .4, 129.7, 129 .3, 128.9, 127.8, 118.0, 115 .3, 114 .3 (ArC), 69.6 (O-CH2-), 56 .3 (O-CH3), 31 .8, 29.5 (-CH2-), 13. 4 (-CH3) MS (EI): m/z: 474.4, 420 .3, 36 4 .3, 30 7....

Ngày tải lên: 16/09/2015, 17:11

... 131 .2, 124 .4, 122 .0, 117.5, 114.8, 106.4, 92. 4 (Ar-C), 68.8 (O-CH-), 31 .2, 28 .9, 28 .8, 28 .7, 28 .6, 28 .5, 28 .4, 25 .4, 21 .9 20 .2 (-CH2-), 13.8 (-CH3) MS (ESI): m/z: 434.3, 22 6.1, 23 8.1, 21 2.1, ... 131.5, 128 .6, 128 .2, 127 .2, 115.9, 114.6, 106 .2 (Ar-C), 71.7, 69.5 (O-CH-), 318, 29 .5, 29 .4, 29 .3, 29 .2, 29 .1, 29 .0, 25 .9, 22 .6 (-CH2-), 13.9 (-CH3)...

Ngày tải lên: 16/09/2015, 17:11

... enhanced in the selfassembly of the novel polymers 53 2.1.4 Conclusion A series of novel jacketed polymers were synthesized, and characterized using GPC, DSC, TGA, FTIR, NMR, and X-ray diffraction ... properties of jacketed polymers in which the main chain is sterically crowded with laterally attached rigid side chains17-19 Here we report the synthesis of a series...

Ngày tải lên: 16/09/2015, 17:11